What is CVE-2026-85953?

CVE-2026-85953 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Path Traversal. CVSS score: 8.5/10. Published 2026-10-12.

How severe is CVE-2026-85953?

High severity. CVSS v3 base score is 8.5 out of 10.

Privilege escalation in Progress Software Corporation Marklogic Server

CVE-2026-85953

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 contain privileged legacy InfoStudio modules that do not sufficiently validate user-controlled file paths and user-context values. Exploitation could result in unauthorized access to server files or execution under an unintended identity.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Progress Software Corporation Marklogic Server

Weakness classification (CWE)

References

community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-Oct… (vendor-advisory)

Frequently asked questions

What is CVE-2026-85953?: CVE-2026-85953 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Path Traversal. CVSS score: 8.5/10. Published 2026-10-12.
How severe is CVE-2026-85953?: High severity. CVSS v3 base score is 8.5 out of 10.